Czech Republic competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018, with 93 competitors in 13 sports.

[2][3] Based on their rankings in the 2017–18 Bobsleigh World Cup, the Czech Republic has qualified 4 sleds.

[4][5] * – Denotes the driver of each sled Czech Republic has qualified 5 men and 5 women.

[9] The following is the Czech roster for the men's ice hockey tournament at the 2018 Winter Olympics.

[12] Czech Republic qualified 4 athletes: The Czech Republic qualified one skater for women's 1500 m events for the Olympics during the four World Cup events in November 2017.